I-WiFi 7 (Wi-Fi 7) iyindinganiso ye-Wi-Fi yesizukulwane esilandelayo. Ngokuvumelana ne-IEEE 802.11, kuzokhishwa izinga elisha elibuyekeziwe le-IEEE 802.11be – Extremely High Throughput (EHT)
I-Wi-Fi 7 yethula ubuchwepheshe obufana nomkhawulokudonsa ongu-320MHz, 4096-QAM, Multi-RU, ukusebenza kwezixhumanisi eziningi, i-MU-MIMO ethuthukisiwe, nokubambisana kwe-multi-AP ngesisekelo se-Wi-Fi 6, okwenza i-Wi-Fi 7 ibe namandla kakhulu kune-Wi-Fi 7. Ngoba i-Wi-Fi 6 izohlinzeka ngamanani aphezulu okudlulisa idatha kanye nokubambezeleka okuphansi. I-Wi-Fi 7 kulindeleke ukuthi isekele ukuphuma okungafika ku-30Gbps, cishe okuphindwe kathathu kwe-Wi-Fi 6.
Izici Ezintsha Zisekelwa i-Wi-Fi 7
- Isekela umkhawulokudonsa ongu-320MHz
- Sekela indlela ye-Multi-RU
- Yethula ukuhleleka okuphezulu kwe-4096-QAM yobuchwepheshe bokushintshashintsha
- Yethula indlela ye-Multi-Link enezixhumanisi eziningi
- Sekela ukusakazwa kwedatha okwengeziwe, ukuthuthukiswa komsebenzi we-MIMO
- Sekela ukuhlela ngokubambisana phakathi kwama-AP amaningi
- Izimo Zokusebenza ze-Wi-Fi 7
1. Kungani i-Wi-Fi 7?
Ngokuthuthukiswa kobuchwepheshe be-WLAN, imindeni namabhizinisi bathembele kakhulu ku-Wi-Fi njengendlela eyinhloko yokufinyelela inethiwekhi. Eminyakeni yamuva nje, izinhlelo zokusebenza ezintsha zinezidingo eziphakeme zokudlula nokubambezeleka, njengevidiyo ye-4K ne-8K (izinga lokudlulisela lingafinyelela ku-20Gbps), i-VR/AR, imidlalo (imfuneko yokubambezeleka ingaphansi kuka-5ms), ihhovisi elikude, nenkomfa yevidiyo eku-inthanethi nokusebenzisa ikhompuyutha yamafu, njll. izidingo eziphakeme zokuphuma kanye nokubambezeleka. (Siyakwamukela ukuthi unake i-akhawunti esemthethweni: unjiniyela wenethiwekhi u-Aaron)
Kuze kube manje, inhlangano evamile ye-IEEE 802.11 isizokhipha izinga elisha elibuyekeziwe le-IEEE 802.11be EHT, okuyi-Wi-Fi 7.
2. Isikhathi sokukhishwa kwe-Wi-Fi 7
Iqembu elisebenzayo le-IEEE 802.11be EHT lasungulwa ngoMeyi 2019, futhi ukuthuthukiswa kwe-802.11be (Wi-Fi 7) kusaqhubeka. Lonke izinga lephrothokholi lizokhishwa Ekukhishweni okubili, futhi i-Release1 kulindeleke ukuthi ikhiphe inguqulo yokuqala ngo-2021 Okusalungiswa Okusalungiswa1.0 kulindeleke ukuthi kukhiphe izinga ekupheleni kuka-2022; I-Release2 kulindeleke ukuthi iqale ekuqaleni kuka-2022 futhi iqedele ukukhishwa okujwayelekile ekupheleni kuka-2024.
3. I-Wi-Fi 7 vs Wi-Fi 6
Ngokusekelwe ezingeni le-Wi-Fi 6, i-Wi-Fi 7 yethula ubuchwepheshe obuningi obusha, obubonakala kakhulu ku:
4. Izici Ezintsha Ezisekelwa I-Wi-Fi 7
Umgomo wephrothokholi ye-Wi-Fi 7 uwukukhuphula izinga lokuphuma kwenethiwekhi ye-WLAN ibe ngu-30Gbps futhi unikeze iziqinisekiso zokufinyelela eziphansi. Ukuze kuhlangatshezwane nalo mgomo, yonke iphrothokholi yenze izinguquko ezihambisanayo kusendlalelo se-PHY nesendlalelo se-MAC. Uma kuqhathaniswa nephrothokholi ye-Wi-Fi 6, izinguquko ezinkulu zobuchwepheshe ezilethwa iphrothokholi ye-Wi-Fi 7 zimi kanje:
Isekela Umkhawulokudonsa ongu-320MHz
I-spectrum yamahhala yelayisense kumabhendi wefrikhwensi we-2.4GHz kanye ne-5GHz inqunyelwe futhi iminyene. Uma i-Wi-Fi ekhona isebenzisa izinhlelo zokusebenza ezivelayo njenge-VR/AR, izohlangabezana nenkinga ye-QoS ephansi. Ukuze kuzuzwe umgomo wokuphuma okuphezulu okungengaphansi kuka-30Gbps, i-Wi-Fi 7 izoqhubeka nokwethula ibhendi yefrikhwensi engu-6GHz futhi yengeze izindlela ezintsha zomkhawulokudonsa, okuhlanganisa u-240MHz okuqhubekayo, u-160+80MHz ongaqhubeki, u-320 MHz oqhubekayo no-160+160MHz ongaqhubeki. (Siyakwamukela ukuthi unake i-akhawunti esemthethweni: unjiniyela wenethiwekhi u-Aaron)
Sekela i-Multi-RU Mechanism
Ku-Wi-Fi 6, umsebenzisi ngamunye angathumela noma amukele ozimele kuphela ku-RU ethile eyabelwe, ekhawulela kakhulu ukuguquguquka kokushejula kwensiza ye-spectrum. Ukuze kuxazululwe le nkinga futhi kuthuthukiswe ukusebenza kahle kwe-spectrum, i-Wi-Fi 7 ichaza indlela evumela ukuthi ama-RU amaningi anikezwe umsebenzisi oyedwa. Yiqiniso, ukuze kulinganiswe inkimbinkimbi yokuqaliswa nokusetshenziswa kwe-spectrum, umthetho olandelwayo wenze imingcele ethile ekuhlanganiseni kwe-RUs, okungukuthi: ama-RUs amancane (ama-RUs amancane kuno-242-Tone) angahlanganiswa kuphela nama-RUs amancane, kanye nama-RUs amakhulu (RUs amakhulu noma alingana nama-RUs angu-242 kuphela), futhi angahlanganiswa nama-RUs angu-242 kuphela. ama-RUs amancane kanye nama-RUs amakhulu awavunyelwe ukuthi axutshwe.
Yethula ukuhleleka okuphezulu kwe-4096-QAM yobuchwepheshe bokushintshashintsha
Indlela ephezulu kakhulu yokushintshashintsha yeI-Wi-Fi 6yi-1024-QAM, lapho izimpawu zokuguquguquka ziphethe amabhithi ayi-10. Ukuze kuthuthukiswe izinga, i-Wi-Fi 7 izokwethula i-4096-QAM, ukuze izimpawu zokuguquguquka zithwale amabhithi angu-12. Ngaphansi kombhalo wekhodi ofanayo, i-Wi-Fi 7′s 4096-QAM ingathola ukukhuphuka kwezinga elingu-20% uma kuqhathaniswa ne-Wi-Fi 6′s 1024-QAM. (Siyakwamukela ukuthi unake i-akhawunti esemthethweni: unjiniyela wenethiwekhi u-Aaron)
Yethula indlela ye-Multi-Link enezixhumanisi eziningi
Ukuze kuzuzwe ukusetshenziswa ngempumelelo kwazo zonke izinsiza ze-spectrum ezitholakalayo, kunesidingo esiphuthumayo sokusungula izindlela ezintsha zokulawula i-spectrum, ukuxhumanisa kanye nezindlela zokudlulisa ku-2.4 GHz, 5 GHz kanye no-6 GHz. Iqembu elisebenzayo lichaze ubuchwepheshe obuhlobene nokuhlanganisa izixhumanisi eziningi, ikakhulukazi okuhlanganisa ukwakheka kwe-MAC kokuhlanganisa okuthuthukisiwe kwezixhumanisi eziningi, ukufinyelela kweziteshi eziningi, ukudluliswa kwezixhumanisi eziningi kanye nobunye ubuchwepheshe obuhlobene.
Sekela ukusakazwa kwedatha okwengeziwe, ukuthuthukiswa komsebenzi we-MIMO
Ku-Wi-Fi 7, inani lokusakazwa kwendawo linyuke lisuka ku-8 laya ku-16 ku-Wi-Fi 6, ngokombono elingaphinda liphindwe kabili izinga lokudluliselwa komzimba. Ukusekela ukusakazwa kwedatha okwengeziwe kuzoletha ne-MIMO enamandla kakhulu esatshalaliswa nezici, okusho ukuthi ukusakazwa kwedatha okungu-16 kunganikezwa hhayi indawo eyodwa yokufinyelela, kodwa ngamaphoyinti amaningi okufinyelela ngesikhathi esisodwa, okusho ukuthi ama-AP amaningi adinga ukubambisana ukuze asebenze.
Sekela ukuhlela ngokubambisana phakathi kwama-AP amaningi
Njengamanje, ngaphakathi kohlaka lwephrothokholi ye-802.11, empeleni akukho ukubambisana okuningi phakathi kwama-AP. Imisebenzi ye-WLAN evamile njengokushuna okuzenzakalelayo nokuzulazula okuhlakaniphile kuyizici ezichazwe ngumthengisi. Injongo yokubambisana phakathi kwe-AP iwukuthuthukisa kuphela ukukhethwa kwesiteshi, ukulungisa umthwalo phakathi kwama-AP, njll., ukuze kufezwe injongo yokusetshenziswa ngempumelelo nokwabiwa okulinganayo kwezinsiza zefrikhwensi yomsakazo. Ukuhlela okudidiyelwe phakathi kwama-AP amaningi ku-Wi-Fi 7, okuhlanganisa ukuhlela okudidiyelwe phakathi kwamaseli esizindeni sesikhathi nesizinda semvamisa, ukuxhumana kokuphazamiseka phakathi kwamaseli, ne-MIMO esabalalisiwe, kunganciphisa ngempumelelo ukugxambukela phakathi kwama-AP, Kuthuthukise kakhulu ukusetshenziswa kwezinsiza zokusebenzelana komoya.
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Kunezindlela eziningi zokuxhumanisa ukuhlela phakathi kwama-AP amaningi, okuhlanganisa i-C-OFDMA (Coordinated Orthogonal Frequency-Division Multiple Access), CSR (Coordinated Spatial Reuse), CBF (Coordinated Beamforming), kanye ne-JXT (Joint Transmission).
5. Izimo Zokusebenza ze-Wi-Fi 7
Izici ezintsha ezethulwe yi-Wi-Fi 7 zizokhuphula kakhulu izinga lokudluliswa kwedatha futhi zinikeze ukubambezeleka okuphansi, futhi lezi zinzuzo zizosiza kakhulu ezinhlelweni ezisafufusa, kanje:
- Ukusakazwa kwevidiyo
- Inkomfa Ngevidiyo/Ngezwi
- Imidlalo engenantambo
- Ukusebenzisana kwesikhathi sangempela
- I-Cloud/Edge Computing
- I-inthanethi Yezimboni Yezinto
- I-AR/VR egxilile
- interactive telemedicine
Isikhathi sokuthumela: Feb-20-2023